Man Pages – Linux Manual Pages

execve – execute program
USAGE
#include <unistd.h>

int execve(const char *filename, char *const argv[],
char *const envp[]);

DESCRIPTION
execve() executes the program [...]

chmod – change file access permissions
USAGE
chmod [OPTION]… MODE[,MODE]… FILE…
chmod [OPTION]… OCTAL-MODE FILE…
chmod [OPTION]… –reference=RFILE FILE…

DESCRIPTION
This manual page documents the GNU version of chmod. chmod changes the
[...]

chacl – change the access control list of a file or directory
USAGE
chacl acl pathname…
chacl -b acl dacl pathname…
chacl -d dacl pathname…
chacl -R pathname…
[...]

access – check user’s permissions for a file
USAGE
#include <unistd.h>

int access(const char *pathname, int mode);

DESCRIPTION
access() checks whether the process would be allowed to read, write or
test for [...]